EP0797858B1 - Moteur électrique comportant une membrane pour équilibrer la pression - Google Patents

Moteur électrique comportant une membrane pour équilibrer la pression Download PDF

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Publication number
EP0797858B1
EP0797858B1 EP95942678A EP95942678A EP0797858B1 EP 0797858 B1 EP0797858 B1 EP 0797858B1 EP 95942678 A EP95942678 A EP 95942678A EP 95942678 A EP95942678 A EP 95942678A EP 0797858 B1 EP0797858 B1 EP 0797858B1
Authority
EP
European Patent Office
Prior art keywords
membrane
shield
electric motor
housing
collar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP95942678A
Other languages
German (de)
English (en)
Other versions
EP0797858A1 (fr
Inventor
Peter Volz
Hans-Dieter Reinartz
Dieter Dinkel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Continental Teves AG and Co OHG
Original Assignee
Continental Teves AG and Co OHG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Continental Teves AG and Co OHG filed Critical Continental Teves AG and Co OHG
Publication of EP0797858A1 publication Critical patent/EP0797858A1/fr
Application granted granted Critical
Publication of EP0797858B1 publication Critical patent/EP0797858B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
    • B60T8/4018—Pump units characterised by their drive mechanisms
    • B60T8/4022—Pump units driven by an individual electric motor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
    • H02K2205/09—Machines characterised by drain passages or by venting, breathing or pressure compensating means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans

Definitions

  • the invention relates to an electric motor according to the preamble of claim 1.
  • Such an electric motor is e.g. in DE 42 35 962 A1 shown. Pressure equalization is intended for this engine provided between the interior of the motor housing and outside air become. It should be noted that the engine to be used in a vehicle, i.e. extreme is exposed to external influences.
  • FIG. 3 shows a cross section through an electric motor / pump unit, wherein in Figure 3 the Membrane not in the collar but in a flat plate of the shield is arranged.
  • Figure 3 is used only for Illustration of a type of fastening of the membrane.
  • the electric motor 1 consists of a pot-shaped housing 2, in the open end of which a shield 3 is inserted.
  • a motor shaft 5 is arranged in the axis of the housing 2 and through the shield 3 from the electric motor 1 led out.
  • the electric motor 1 is with a pump 4 connected.
  • the housing 6 of the pump 4 consists of a Aluminum block in which bearings 7,8 are arranged, which the Wear motor shaft 5.
  • the pistons of the are not shown Pump operating on an eccentric area 9 of the motor shaft 5 concerns. Electromagnetic are also not shown Valves that are provided in the pump housing 6 in order the pressure medium delivery of the pump 4, e.g. to a braking system, to control.
  • the pump housing 6 has a flat flange surface 10.
  • the electric motor 1 attached so that the shield 3 to the plant Flange surface 10 arrives.
  • the attachment itself is done by screws 11 through openings 12 in a radial outwardly facing collar 13 on the housing 2 of the electric motor are passed through and in screw holes in Pump housing 6 are screwed.
  • a circumferential seal 15 is provided, which between the shield 3 and the edge of the pot-shaped housing 2 is arranged.
  • the figures show the unloaded Shape of the seal 15, it can be seen that the Seal protrudes over the shield 3, so when assembling of electric motor 1 and pump 4 on the flange surface 10 is squeezed. This way, the sealing function just described can be achieved.
  • filter elements are provided, e.g. PTFE membrane that in a connecting channel between the inside and outside of the engine are arranged.
  • the shield 3 consists of a substantially flat plate 20 that is perpendicular extends to the motor shaft 5, with a collar 21, the from the edge of the plate 20 in the axial direction Interior of the motor housing extends and the outer edge of the Inner edge of the pot-shaped housing 2 is applied.
  • the collar 21 runs almost completely in the circumferential direction at the edge along the plate 20. It serves the housing 2 with respect center the shield 3. Since the sign 3 am bearing 7 protruding from the pump housing 6 is a centering of the motor housing 2 results Motor shaft 5.
  • the collar 21 is axially oriented extending slot 22 provided radially after outside opens. This slot 22 continues in the circumferential seal 15, which is usually on the shield 3 is injected. Between the inner wall of the housing 2 and the outer edge of the collar 21 thus extends Free space or slot 22. The upper part of the free space is circular with the interior of the motor housing Passage 23 connected. In this passage 23 is a membrane 24 is arranged. In the embodiment according to FIG. 1 the edge of the membrane 24 is made of the material of the shield 3 or the collar 21 overmolded. That is, the membrane 24 is used in the manufacture of the shield, which is made of plastic exists with molded.
  • the slot 22 extends up to the flange surface 10. The further air exchange takes place over the area between the collar 13 and the flange surface 10 in the area the screw 11. This area is not sealed, so that a little air exchange can take place.
  • the cylindrical A ventilation hole 25 is provided in the area of the housing 2 become.
  • the bore 25 is opposite the passage 23 offset so that small items that may are not passed through the ventilation hole 25 directly hit the membrane 24. It is very beneficial even if the head of the screw 11 is in front of the ventilation hole 25 is located.
  • the membrane 24 can of course also, as shown in Fig. 2, be glued to the opening 23 from the inside.
  • the membrane 24 is not in the collar 21 of the shield 3, but is arranged on the plate 20.
  • the membrane 24 thus does not extend in the axial direction of the motor shaft 5, but perpendicular to it.
  • the capsule 30 consists of two parts, namely a receiving body 31 and a mounting sleeve 32.
  • the receiving body 31 has a central opening 33 which is followed by a peripheral edge 34. To this Edge 34 is placed on the outer area of membrane 24.
  • the fastening sleeve 32 is now in the receiving body 31 inserted, one end of the circumferential edge 34 is opposite and so the membrane 24 between the edge 34 and the end face of the sleeve 32 is clamped.
  • the sleeve 32 is held in the receiving body 31 with the aid of catches.
  • the capsule 30 can now in a corresponding recess Shield 3 can be used.
  • a channel 36 which with the manufacture of the shield 3 with is trained.
  • the channel 36 continues into one Channel 37 in the seal 15.
  • the Shield 3 does not carry the membrane 24 as a whole, but as Securing element for a membrane 24, which is on the Inner wall of the housing 2 is attached. This is at the A recess 40 is provided on the inner wall of the housing. This The recess is created by the sheet metal of the housing 2 is pushed outwards. The recess 40 is in one Area provided between the magnet 14 and the Edge of the housing lies.
  • a transverse bore 42 opens into the depression 40, which connects the inside of the housing 2 with the outside air.
  • the membrane 24 is in the recess 40 glued in.
  • the collar 21 protrudes in the area of the depression 40 in, so that the upper edge of the collar 21 as Holding element for the membrane 24 is used. This area stops part of the outer edge of the membrane 24 against the Inner wall of the housing 2 pressed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

La présente invention concerne un moteur électrique comportant un dispositif d'équilibrage de pression. Ce dispositif est constitué par une membrane en BTFE placée dans un conduit de liaison entre l'intérieur du moteur électrique et l'air extérieur. La membrane (24) est placée dans le flasque (3) du moteur électrique (1). Comme le flasque (3) est en matière plastique, la membrane (24) peut être encastrée par injection lors de la fabrication du flasque (3), de sorte qu'elle en est solidaire. Toutefois, d'autres modes de fixation peuvent être envisagés. Un emplacement particulièrement approprié au montage de la membrane (24) est une collerette (21) qui fait le tour et avec laquelle la carcasse (2) du moteur est centrée sur son arbre (5). Le conduit de liaison est réalisé sous la forme d'une fente (22), à la surface extérieure de la collerette (26). La description indique cependant d'autres modes de montage de la membrane (24).

Claims (10)

  1. Moteur électrique pour entraíner une pompe hydraulique, à utiliser notamment pour un système de freinage de véhicule automobile, comportant un boítier (2) en forme de pot, dans l'extrémité ouverte duquel est inséré un flasque (3) à travers lequel l'arbre (5) du moteur dépasse hors du boítier (2), un côté essentiellement plat du flasque (3) pouvant être posé en étanchéité aux liquides sur une face de bride (10) du boítier (6) de la pompe (4) à entraíner, caractérisé en ce que le flasque (3) porte ou maintient une membrane (24), la membrane (24) étant disposée dans un canal de liaison (22, 36) entre l'intérieur du boítier (2) du moteur électrique et l'air extérieur, et en ce que le flasque (3) présente un collet (21) s'étendant axialement, la membrane (24) étant disposée dans la région du collet (21).
  2. Moteur électrique selon la revendication 1, caractérisé en ce qu'au moins une région partielle du canal de liaison (36) est formée dans le flasque (3).
  3. Moteur électrique selon la revendication 1, caractérisé en ce qu'un joint d'étanchéité enveloppant (15) est prévu dans la région située entre le bord du boítier (2) en forme de pot et le flasque (3), une région partielle du canal de liaison précité (22) s'étendant à travers le joint d'étanchéité (15).
  4. Moteur électrique selon l'une quelconque des revendications précédentes, caractérisé en ce que le flasque (3) est constitué d'une région plate (20), qui s'étend perpendiculairement à l'arbre (5) du moteur, et d'un collet (21) s'étendant axialement, dont le bord extérieur s'applique contre un bord intérieur du boítier (2) en forme de pot.
  5. Moteur électrique selon la revendication 1, caractérisé en ce qu'une fente (22) est prévue sur le bord extérieur du collet (21), fente qui, recouverte par le boítier (2), forme une région partielle du canal de liaison.
  6. Moteur électrique selon la revendication 1, caractérisé en ce que la membrane (24) est disposée directement sur le côté intérieur du boítier (2) en forme de pot, et en ce qu'au moins une région partielle du flasque (3) maintient la membrane (24) contre la paroi du boítier.
  7. Moteur électrique selon l'une quelconque des revendications précédentes, caractérisé en ce que la membrane (24) est collée sur le boítier (2) ou sur le flasque (3).
  8. Moteur électrique selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le flasque (3) est réalisé en matière plastique, et en ce que la membrane (24) est conjointement enrobée par injection lors de la fabrication du flasque (3), de sorte que la région de bord de la membrane (24) est assemblée au flasque (3) de façon fixe et indétachable.
  9. Moteur électrique selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la membrane (24) est disposée dans un blindage (30) qui peut être emboíté dans un évidement prévu sur le flasque (3).
  10. Moteur électrique selon la revendication 9, caractérisé en ce que le blindage est constitué de parties (31, 32) pouvant être réunies par emboítement, qui serrent entre elles la membrane (24).
EP95942678A 1994-12-15 1995-12-15 Moteur électrique comportant une membrane pour équilibrer la pression Expired - Lifetime EP0797858B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4444643A DE4444643A1 (de) 1994-12-15 1994-12-15 Elektromotor
DE4444643 1994-12-15
PCT/EP1995/004979 WO1996019029A1 (fr) 1994-12-15 1995-12-15 Moteur electrique

Publications (2)

Publication Number Publication Date
EP0797858A1 EP0797858A1 (fr) 1997-10-01
EP0797858B1 true EP0797858B1 (fr) 2000-10-25

Family

ID=6535852

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95942678A Expired - Lifetime EP0797858B1 (fr) 1994-12-15 1995-12-15 Moteur électrique comportant une membrane pour équilibrer la pression

Country Status (6)

Country Link
US (1) US5894180A (fr)
EP (1) EP0797858B1 (fr)
JP (1) JP3802563B2 (fr)
DE (2) DE4444643A1 (fr)
ES (1) ES2152437T3 (fr)
WO (1) WO1996019029A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012210172A1 (de) * 2012-06-18 2013-12-19 Robert Bosch Gmbh Lageranordnung für eine Welle einer elektrischen Maschine, insbesondere einer Ankerwelle in einem Elektromotor
DE102017211938A1 (de) * 2017-07-12 2019-01-17 Mahle International Gmbh Turbolader mit Stelleinrichtung

Families Citing this family (27)

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Publication number Priority date Publication date Assignee Title
DE4444643A1 (de) * 1994-12-15 1996-06-20 Teves Gmbh Alfred Elektromotor
DE19643289A1 (de) * 1996-10-21 1998-04-23 Teves Gmbh Alfred Hydraulikaggregat
DE19702685A1 (de) * 1997-01-25 1998-07-30 Bosch Gmbh Robert Wasserdichtes Kunststoffgehäuse
JPH11252870A (ja) * 1998-03-03 1999-09-17 Mitsuba Corp 電動モータのハウジング構造
US6196813B1 (en) 1999-07-06 2001-03-06 Flowserve Management Company Pump assembly including integrated adapter
DE19943038A1 (de) * 1999-09-09 2001-03-15 Mannesmann Sachs Ag Antriebssystem
DE60006234T2 (de) * 2000-08-30 2004-04-22 Gvs S.P.A., Zola Predosa Methode zur Herstellung eines Behälters mit einer Druckausgleichsvorrichtung und einem derart hergestelltem Behälter
DE10160848A1 (de) * 2001-12-12 2003-07-17 Valeo Auto Electric Gmbh Antriebs- und/oder Abbremsvorrichtung
DE10302130A1 (de) 2003-01-21 2004-08-05 Minebea Co., Ltd. Motorgehäuse für einen Elektromotor
US7476992B2 (en) 2005-05-17 2009-01-13 Parker-Hannifin Corporation Air-cooled electric motor
DE102008001594B4 (de) * 2008-05-06 2022-11-17 Robert Bosch Gmbh Träger mit Druckausgleichsmembran sowie Antriebsvorrichtung, insbesondere für Kraftfahrzeuganwendungen
JP2010063224A (ja) * 2008-09-02 2010-03-18 Jtekt Corp 電動モータユニット
DE102008053574B4 (de) * 2008-10-15 2016-12-01 Bühler Motor GmbH Stellantrieb mit einem Kommutatormotor
US8297949B1 (en) * 2009-02-17 2012-10-30 Mancl Scott C Bearing seal for a wet vacuum motor
US8585378B2 (en) * 2009-06-25 2013-11-19 Nidec Motor Corporation Integrated endshield and pump volute for an electric pump and method of forming an electric pump
FR2966660B1 (fr) * 2010-10-25 2012-12-21 Valeo Systemes Dessuyage Bouchon d'etancheite pour sortie de ventilation
DE102011101589A1 (de) 2011-05-13 2011-07-28 Heidelberger Druckmaschinen AG, 69115 Positionierantrieb
EP2908409B1 (fr) * 2014-02-12 2016-09-14 Pierburg Pump Technology GmbH Moteur électrique de groupe auxiliaire de véhicule automobile
DE202014101320U1 (de) * 2014-03-21 2014-04-17 Robert Bosch Gmbh Elektrische Maschine zum motorischen Verstellen beweglicher Teile im Motorraum eines Kraftfahrzeugs
US10156240B2 (en) 2016-06-16 2018-12-18 Scott C. Mancl Motor-driven fan with trapped adhesive for minimizing vibration
DE102018103747A1 (de) 2018-02-20 2019-08-22 Volkswagen Ag Vorrichtung mit einem Druckausgleichselement sowie Verfahren zur Herstellung einer Komponente der Vorrichtung
DE102019203359A1 (de) * 2018-03-14 2019-09-19 Mando Corporation Hydraulische Steuervorrichtung für ein Bremssystem
DE102019102318A1 (de) * 2019-01-30 2020-07-30 Nidec Gpm Gmbh Pumpe aufweisend einen Elektromotor mit Steckeranbindung in Form eines Zwischenringes
DE102020200140A1 (de) * 2020-01-08 2021-07-08 Volkswagen Aktiengesellschaft Elektrische Maschine
DE102021209105A1 (de) * 2021-08-19 2023-02-23 Robert Bosch Gesellschaft mit beschränkter Haftung Sensoreinrichtung zum Erfassen einer Drehstellung eines Rotors einer elektrischen Maschine, Antriebseinrichtung, Druckerzeuger für eine Bremsanlage
US12506380B2 (en) 2023-06-24 2025-12-23 Scott C. Mancl Bearing seal for motors
DE102023211039A1 (de) 2023-11-08 2025-06-26 Robert Bosch Gesellschaft mit beschränkter Haftung Fluidpumpe, insbesondere Kühlmittelpumpe in einem Fahrzeug

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DE624770C (de) * 1936-01-28 Willy Hirche Kompressionskaeltemaschine
DE866517C (de) * 1938-12-14 1953-02-09 Siemens Ag Schwallwasserschutz fuer elektrische Maschinen od. dgl.
DE3247112C1 (de) * 1982-12-20 1984-07-19 Schorch GmbH, 4050 Mönchengladbach Verschlußstopfen für Kondenswasser-Ablauföffnungen an elektrischen Maschinen
DE9000324U1 (de) * 1990-01-13 1991-05-08 Robert Bosch Gmbh, 7000 Stuttgart Antriebsvorrichtung zum Verstellen eines Glieds, insbesondere eines Abdeckelements für eine Öffnung in einer Karosserie eines Kraftfahrzeuges
DE9107992U1 (de) * 1991-06-28 1992-01-30 Siemens AG, 8000 München In einer Gehäusewand randseitig wasserdicht gehaltenes Druckausgleichselement
DE4235962C2 (de) * 1992-10-24 1997-11-27 Temic Auto Electr Motors Gmbh Elektromotor, insbesondere feuchtigkeitsdicht geschlossener Kommutatormotor mit einem axial angeflanschten Antriebsgehäuse
DE4240044C2 (de) * 1992-11-28 1997-07-31 Licentia Gmbh Druckausgleichsanordnung für Elektromotore mit geschlossenen Motorgehäusen
DE4315826C5 (de) * 1993-05-12 2012-04-05 Continental Teves Ag & Co. Ohg Motor-Pumpen-Aggregat
ES2082664T3 (es) * 1994-05-13 1996-03-16 Siemens Ag Equipo moto-bomba especialmente para un accionamiento abs.
DE4444643A1 (de) * 1994-12-15 1996-06-20 Teves Gmbh Alfred Elektromotor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012210172A1 (de) * 2012-06-18 2013-12-19 Robert Bosch Gmbh Lageranordnung für eine Welle einer elektrischen Maschine, insbesondere einer Ankerwelle in einem Elektromotor
DE102017211938A1 (de) * 2017-07-12 2019-01-17 Mahle International Gmbh Turbolader mit Stelleinrichtung
US10954949B2 (en) 2017-07-12 2021-03-23 Mahle International Gmbh Turbocharger with control device
DE102017211938B4 (de) 2017-07-12 2022-05-05 Mahle International Gmbh Turbolader mit Stelleinrichtung

Also Published As

Publication number Publication date
EP0797858A1 (fr) 1997-10-01
DE59508813D1 (de) 2000-11-30
WO1996019029A1 (fr) 1996-06-20
US5894180A (en) 1999-04-13
JPH10510974A (ja) 1998-10-20
DE4444643A1 (de) 1996-06-20
ES2152437T3 (es) 2001-02-01
JP3802563B2 (ja) 2006-07-26

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